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OpenAdvisories
High ELSA-2026-50337 2 CVEs

Important: virt:kvm_utils3 security update (Oracle Linux 8)

Published Jun 23, 2026 · Updated Jun 23, 2026

Summary

hivex
[1.3.18-23]
- Limit recursion in ri-records (CVE-2021-3622)
resolves: rhbz#1976194

[1.3.18-22.el8]
- Resolves: bz#2000225
(Rebase virt:rhel module:stream based on AV-8.6)

[1.3.18-21]
- Bounds check for block exceeding page length (CVE-2021-3504)
resolves: rhbz#1950501

[1.3.18]
- Resolves: bz#1810193
(Upgrade components in virt:rhel module:stream for RHEL-8.3 release)

[1.3.18]
- Resolves: bz#1810193
(Upgrade components in virt:rhel module:stream for RHEL-8.3 release)

[1.3.15-7]
- Rebuild all virt packages to fix RHEL's upgrade path
- Resolves: rhbz#1695587
(Ensure modular RPM upgrade path)

[1.3.15-6]
- Drop hivex-static subpackage
resolves: rhbz#1560207

[1.3.15-5]
- Rebuild for OCaml 4.07.0.

[1.3.15-4]
- Remove python2 support
resolves: rhbz#1559086

[1.3.15-3]
- Add upstream patch to fix injection of LDFLAGS (RHBZ#1548536).

libguestfs
[1.44.0-9.0.3]
- libguestfs.spec: Allow kernel-uek in additional to kernel [Orabug: 38825835]

libguestfs-winsupport
[8.10-1]
- Rebase to ntfs-3g 2022.10.3
- Fixes: CVE-2022-40284
- resolves: rhbz#2236373

[8.8-1]
- Rebase to ntfs-3g 2022.5.17
- Fixes: CVE-2021-46790, CVE-2022-30783, CVE-2022-30784, CVE-2022-30785,
CVE-2022-30786, CVE-2022-30787, CVE-2022-30788, CVE-2022-30789
resolves: rhbz#2127240 rhbz#2127248
(also: 2127233 2127234 2127241 2127249 2127255 2127256 2127262 2127263)

[8.6-1]
- Rebase to ntfs-3g 2021.8.22
- Fixes: CVE-2021-33285, CVE-2021-33286, CVE-2021-33287, CVE-2021-33289,
CVE-2021-35266, CVE-2021-35267, CVE-2021-35268, CVE-2021-35269,
CVE-2021-39251, CVE-2021-39252, CVE-2021-39253, CVE-2021-39254
resolves: rhbz#2004490

[8.2-1.el8]
- Resolves: bz#2000225
(Rebase virt:rhel module:stream based on AV-8.6)

[8.2]
- Resolves: bz#1810193
(Upgrade components in virt:rhel module:stream for RHEL-8.3 release)

[8.0-4]
- Rebuild all virt packages to fix RHEL's upgrade path
- Resolves: rhbz#1695587
(Ensure modular RPM upgrade path)

[8.0-3]
- Fix for CVE-2019-9755
(heap-based buffer overflow leads to local root privilege escalation)
resolves: rhbz#1698503

[8.0-2]
- Fix for ntfsclone crash (RHBZ#1601146).

[8.0-1]
- Rebase to 2017.3.23.
- Remove patches which are now upstream.
- Resynch with Fedora package.
- Enable all architectures for RHEL 8.

[7.2-2]
- Fix for handling guest filenames with invalid or incomplete
multibyte or wide characters
resolves: rhbz#1301593

libiscsi
[1.18.0-8]
- Rebuild all virt packages to fix RHEL's upgrade path
- Resolves: rhbz#1695587
(Ensure modular RPM upgrade path)

[1.18.0-7.el8]
- libiscsi-redhat-Remove-disable-werror-from-spec-file.patch [bz#1581025]
- Resolves: bz#1581025
(Remove --disable-werror from spec file)

[-]
- libiscsi-fix-connection-to-LUN-with-IPv6-address.patch [bz#1597942]
- Resolves: bz#1597942
(Qemu-kvm fails to connect to iscsi LUN by IPV6 address)

[1.18.0-5.el8]
- libiscsi-iser_rcv_completion-unify-error-handling.patch [bz#1634541]
- libiscsi-iser-fix-posting-of-receive-descriptors.patch [bz#1634541]
- libiscsi-sync-remove-unnecessary-checks.patch [bz#1634541]
- libiscsi-do-not-warn-for-strncpy.patch [bz#1634541]
- libiscsi-avoid-fallthrough.patch [bz#1634541]
- libiscsi-avoid-truncation-when-logging-message-that-includes-.patch [bz#1634541]
- Resolves: bz#1634541
(Fix important coverity issues (libiscsi))

[1.18.0-4.el8]
- Fixed a build issue with the latest rdma-core

[1.18.0-2]
- Fix rdma deps and don't restrict archs
- Add --disable-werror to fix gcc8 build (bz #1556044)
- Spec file cleanups (bz #1483290)

[1.18.0-2]
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild

[1.18.0-1]
- Rebased to version 1.18.0
- Added patch to fix gcc7 warnings

[1.15.0-5]
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild

[1.15.0-4]
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild

libnbd
[1.6.0-6.el8]
- Fix CVE-2024-7383 NBD server improper certificate validation
resolves: RHEL-52728

[1.6.0-5.el8]
- Fix CVE-2022-0485: Fail nbdcopy if NBD read or write fails
resolves: rhbz#2045718

[1.6.0-4.el8]
- Resolves: bz#2000225
(Rebase virt:rhel module:stream based on AV-8.6)

[1.2.2]
- Resolves: bz#1844296
(Upgrade components in virt:rhel module:stream for RHEL-8.3 release)

[1.2.2-1]
- New stable release 1.2.2.

[1.2.1-1]
- New stable release 1.2.1.

[1.2.0-1]
- New stable release 1.2.0.

[1.0.3-1]
- New upstream version 1.0.3.
- Contains fix for remote code execution vulnerability.
- Add new libnbd-security(3) man page.

[1.0.2-1]
- New upstream version 1.0.2.
- Remove patches which are upstream.
- Contains fix for NBD Protocol Downgrade Attack (CVE-2019-14842).
- Fix previous commit message.

[1.0.1-2]
- Add upstream patch to fix nbdsh (for nbdkit tests).
- Fix interop tests on slow machines.

libtpms
[0.9.1-3.20211126git1ff6fe1f43]
- Fix CVE-2025-49133
Resolves: RHEL-96251

[0.9.1-2.20211126git1ff6fe1f43]
- Backport 'tpm2: Check size of buffer before accessing it' (CVE-2023-1017 & CVE-2023-1018)
Resolves: rhbz#2173964
Resolves: rhbz#2173970

[0.9.1-1.20211126git1ff6fe1f43]
- Backport s_ContextSlotMask initialization fix
Resolves: rhbz#2111433

[0.9.1-0.20211126git1ff6fe1f43]
- Rebase to 0.9.1 (sync with RHEL9)
Resolves: rhbz#2029355

[0.7.4-6.20201106git2452a24dab]
- Fix CVE-2021-3746 libtpms: out-of-bounds access via specially crafted TPM 2 command packets
Resolves: rhbz#1999307

[0.7.4-5.20201106git2452a24dab]
- Fix CVE-2021-3623: out-of-bounds access when trying to resume the state of the vTPM
Fixes: rhbz#1976816

[0.7.4-4.20201106git2452a24dab]
- tpm2: CryptSym: fix AES output IV
Fixes: rhbz#1942904

[0.7.4-3.20201106git2452a24dab]
- Add git as build dependency
Related: rhbz#1858821

[0.7.4-2.20201106git2452a24dab]
- tpm2: Return properly sized array for b parameter for NIST P521 (HLK) #180
Fixes: rhbz#1858821

[0.7.4-1.20201106git2452a24dab]
- Follow stable-0.7.0 branch to v0.7.4 with security-related fixes.
Fixes: rhbz#1893444

libvirt
[9.0.0-16.el8]
- cpu_map: Add cpu model EPYC Genoa (Tim W

Fixed packages 121

ReleasePackageFixed in
Oracle Linux · 8 hivex 0:1.3.18-23.module+el8.10.0+90906+a4794619
Oracle Linux · 8 hivex-devel 0:1.3.18-23.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-appliance 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-bash-completion 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-devel 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-gfs2 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-gobject 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-gobject-devel 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-inspect-icons 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-java 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-java-devel 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-javadoc 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-man-pages-ja 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-man-pages-uk 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-rescue 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-rsync 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-tools 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-tools-c 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-winsupport 0:8.10-1.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libguestfs-xfs 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libiscsi 0:1.18.0-8.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libiscsi-devel 0:1.18.0-8.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libiscsi-utils 0:1.18.0-8.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libnbd 0:1.6.0-6.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libnbd-bash-completion 0:1.6.0-6.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libnbd-devel 0:1.6.0-6.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libtpms 0:0.9.1-3.20211126git1ff6fe1f43.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libtpms-devel 0:0.9.1-3.20211126git1ff6fe1f43.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-client 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-client-qemu 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-config-network 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-config-nwfilter 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-interface 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-network 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-nodedev 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-nwfilter 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-qemu 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-secret 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-storage 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-storage-core 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-storage-disk 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-storage-gluster 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-storage-iscsi 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-storage-iscsi-direct 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-storage-logical 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-storage-mpath 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-storage-rbd 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-driver-storage-scsi 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-daemon-kvm 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-dbus 0:1.3.0-2.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-devel 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-docs 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-libs 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-lock-sanlock 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-nss 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 libvirt-wireshark 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 lua-guestfs 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdfuse 0:1.6.0-6.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-bash-completion 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-basic-filters 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-basic-plugins 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-curl-plugin 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-devel 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-example-plugins 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-gzip-filter 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-gzip-plugin 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-linuxdisk-plugin 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-nbd-plugin 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-python-plugin 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-server 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-ssh-plugin 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-tar-filter 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-tar-plugin 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-tmpdisk-plugin 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-vddk-plugin 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 nbdkit-xz-filter 0:1.24.0-5.module+el8.10.0+90906+a4794619
Oracle Linux · 8 netcf 0:0.2.8-12.module+el8.10.0+90906+a4794619
Oracle Linux · 8 netcf-devel 0:0.2.8-12.module+el8.10.0+90906+a4794619
Oracle Linux · 8 netcf-libs 0:0.2.8-12.module+el8.10.0+90906+a4794619
Oracle Linux · 8 perl-hivex 0:1.3.18-23.module+el8.10.0+90906+a4794619
Oracle Linux · 8 perl-Sys-Guestfs 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 perl-Sys-Virt 0:8.0.0-1.module+el8.10.0+90906+a4794619
Oracle Linux · 8 python3-hivex 0:1.3.18-23.module+el8.10.0+90906+a4794619
Oracle Linux · 8 python3-libguestfs 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 python3-libnbd 0:1.6.0-6.module+el8.10.0+90906+a4794619
Oracle Linux · 8 python3-libvirt 0:9.0.0-16.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-guest-agent 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-img 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-kvm 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-kvm-block-curl 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-kvm-block-gluster 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-kvm-block-iscsi 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-kvm-block-rbd 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-kvm-block-ssh 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-kvm-common 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-kvm-core 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-kvm-device-usb-host 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 qemu-virtiofsd 15:7.2.0-41.module+el8.10.0+90906+a4794619
Oracle Linux · 8 ruby-hivex 0:1.3.18-23.module+el8.10.0+90906+a4794619
Oracle Linux · 8 ruby-libguestfs 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 seabios 0:1.16.0-4.module+el8.10.0+90906+a4794619
Oracle Linux · 8 seabios-bin 0:1.16.0-4.module+el8.10.0+90906+a4794619
Oracle Linux · 8 seavgabios-bin 0:1.16.0-4.module+el8.10.0+90906+a4794619
Oracle Linux · 8 sgabios 1:0.20170427git-3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 sgabios-bin 1:0.20170427git-3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 supermin 0:5.2.1-2.0.1.module+el8.10.0+90906+a4794619
Oracle Linux · 8 supermin-devel 0:5.2.1-2.0.1.module+el8.10.0+90906+a4794619
Oracle Linux · 8 swtpm 0:0.7.0-4.20211109gitb79fd91.module+el8.10.0+90906+a4794619
Oracle Linux · 8 swtpm-devel 0:0.7.0-4.20211109gitb79fd91.module+el8.10.0+90906+a4794619
Oracle Linux · 8 swtpm-libs 0:0.7.0-4.20211109gitb79fd91.module+el8.10.0+90906+a4794619
Oracle Linux · 8 swtpm-tools 0:0.7.0-4.20211109gitb79fd91.module+el8.10.0+90906+a4794619
Oracle Linux · 8 swtpm-tools-pkcs11 0:0.7.0-4.20211109gitb79fd91.module+el8.10.0+90906+a4794619
Oracle Linux · 8 virt-dib 1:1.44.0-9.0.3.module+el8.10.0+90906+a4794619
Oracle Linux · 8 virt-v2v 1:1.42.0-22.module+el8.10.0+90906+a4794619
Oracle Linux · 8 virt-v2v-bash-completion 1:1.42.0-22.module+el8.10.0+90906+a4794619
Oracle Linux · 8 virt-v2v-man-pages-ja 1:1.42.0-22.module+el8.10.0+90906+a4794619
Oracle Linux · 8 virt-v2v-man-pages-uk 1:1.42.0-22.module+el8.10.0+90906+a4794619

Vulnerabilities 2